[Bug sanitizer/64906] -fsanitize=integer-divide-by-zero creates false -Wmaybe-uninitialized warning

[mpolacek at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64906

--- Comment #4 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
Author: mpolacek
Date: Fri Sep 25 09:50:29 2015
New Revision: 228112

URL: https://gcc.gnu.org/viewcvs?rev=228112&root=gcc&view=rev
Log:
        PR sanitizer/64906
        * c-ubsan.c (ubsan_instrument_division): Also pre-evaluate OP1.

        * c-c++-common/ubsan/pr64906.c: New test.

Added:
    trunk/gcc/testsuite/c-c++-common/ubsan/pr64906.c
Modified:
    trunk/gcc/c-family/ChangeLog
    trunk/gcc/c-family/c-ubsan.c
    trunk/gcc/testsuite/ChangeLog